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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/nll/ty-outlives/projection-where-clause-env-wrong-lifetime.rs | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/nll/ty-outlives/projection-where-clause-env-wrong-lifetime.rs')
-rw-r--r-- | src/test/ui/nll/ty-outlives/projection-where-clause-env-wrong-lifetime.rs | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/test/ui/nll/ty-outlives/projection-where-clause-env-wrong-lifetime.rs b/src/test/ui/nll/ty-outlives/projection-where-clause-env-wrong-lifetime.rs new file mode 100644 index 000000000..987148dce --- /dev/null +++ b/src/test/ui/nll/ty-outlives/projection-where-clause-env-wrong-lifetime.rs @@ -0,0 +1,25 @@ +// Test that if we need to prove that `<T as MyTrait<'a>>::Output: +// 'a`, but we only know that `<T as MyTrait<'b>>::Output: 'a`, that +// doesn't suffice. + +trait MyTrait<'a> { + type Output; +} + +fn foo1<'a, 'b, T>() -> &'a () +where + for<'x> T: MyTrait<'x>, + <T as MyTrait<'b>>::Output: 'a, +{ + bar::<<T as MyTrait<'a>>::Output>() + //~^ ERROR the associated type `<T as MyTrait<'_>>::Output` may not live long enough +} + +fn bar<'a, T>() -> &'a () +where + T: 'a, +{ + &() +} + +fn main() {} |